Add another three-week-old update on Kareem Abdul-Jabbar's unheralded appearance at the Bonnaroo music festival earlier this month: he was reading a book called Chess Tactics for Champions while waiting for his panel.

We have photographic evidence, courtesy of tipster Alex, that Kareem Abdul-Jabbar attended Bonnaroo …
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For obvious reasons, our tipster requests that we keep him anonymous. He suggests that it may have been Abdul-Jabbar's reading material for the Port-A-Potty, but we can't confirm his speculation. The world may never know! (Unless you know, in which case, you should definitely email us about it.)